* t/GtkBuildable.t
	* t/GtkBuilder.t
	* t/GtkRecentAction.t
	* t/GtkScaleButton.t
	* t/GtkTooltip.t
	* t/GtkVolumeButton.t
	* t/PangoLayout.t
	* t/PangoRenderer.t
	* xs/GtkAboutDialog.xs
	* xs/GtkBuildable.xs
	* xs/PangoLayout.xs
	* xs/PangoRenderer.xs: Make version checks refer to stable
	releases.

svn path=/trunk/; revision=1904